Finding the Fourth Proportional to 5,628.31, 7,767.56 and 3,736.55

Step by Step Solution

1. Step 1: Write the proportion equation
   5,628.31 : 7,767.56 = 3,736.55 : x
2. Step 2: Convert to fraction form
   5,628.31/7,767.56 = 3,736.55/x
3. Step 3: Cross multiply
   5,628.31x = 7,767.56 × 3,736.55
4. Step 4: Simplify right side
   5,628.31x = 29,023,876.32
5. Step 5: Solve for x
   x = 29,023,876.32/5,628.31
6. Step 6: Final answer
   x = 5,156.77